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HENNESSY ADVISORS INC: CMCSA position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of HENNESSY ADVISORS INC on CMCSA, newest first. How the timeline and the estimate are built.

HENNESSY ADVISORS INC held 303,558 CMCSA shares at 2026-06-30 per its 13F-HR filed 2026-07-16.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 303,558 shares
    Change vs previous 13F +94,458 shares

    0.24% of the 13F portfolio, value $7,452,349.

    13F-HR 0000897069-26-001507 filed by HENNESSY ADVISORS INC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 209,100 shares
    Change vs previous 13F +69,600 shares

    0.22% of the 13F portfolio, value $6,003,261.

    13F-HR 0000897069-26-000920 filed by HENNESSY ADVISORS INC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 139,500 shares
    Change vs previous 13F -7,800 shares

    0.15% of the 13F portfolio, value $4,169,655.

    13F-HR 0000897069-26-000187 filed by HENNESSY ADVISORS INC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 147,300 shares
    Change vs previous 13F -2,300 shares

    0.16% of the 13F portfolio, value $4,628,166.

    13F-HR 0000897069-25-001587 filed by HENNESSY ADVISORS INC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 149,600 shares
    Change vs previous 13F 0 shares

    0.18% of the 13F portfolio, value $5,339,224.

    13F-HR 0000897069-25-001186 filed by HENNESSY ADVISORS INC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 149,600 shares
    Change vs previous 13F +35,500 shares

    0.18% of the 13F portfolio, value $5,520,240.

    13F-HR 0000897069-25-000822 filed by HENNESSY ADVISORS INC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F 114,100 shares
    Change vs previous 13F -4,100 shares

    0.13% of the 13F portfolio, value $4,282,173.

    13F-HR 0000897069-25-000103 filed by HENNESSY ADVISORS INC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 118,200 shares
    Change vs previous 13F not available

    0.16% of the 13F portfolio, value $4,937,214.

    13F-HR 0000897069-24-001965 filed by HENNESSY ADVISORS INC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).